for storage and retrieval of private data in the curl handle.

is not a good thing, as recent gccs for example complain if it is /usr/include

Right now, we just output "" until we think of something better.

CURLE_OPERATION_TIMEOUTED

until the pointers are set to another value

ConnectBits where the other bools already are

AGGRESIVE_TEST is also defined, as an addition to MALLOCDEBUG. It doesn't
work for multi interface usage and should only be used with careful
consideration.

should be removed soonish.

size of the uploaded file is unknown.

CURLOPT_CONNECTTIMEOUT was used and provided a fix.

debug wasn't enabled

counter so that the caller needs to decrease that counter when done with
the returned data.

If compiled with MALLOCDEBUG I've added some extra checking that the counter
is decreased before a handle is closed etc.